public void testNotInterfaceType() {
    assertThrows(
        IllegalArgumentException.class,
        () ->
            new ForwardingWrapperTester()
                .testForwarding(String.class, Functions.<String>identity()));
  }

  public void testNulls() {
    new NullPointerTester()
        .setDefault(Class.class, Runnable.class)
        .testAllPublicInstanceMethods(new ForwardingWrapperTester());
  }

        return rawType.getEnclosingClass();
      }
    },
    LOCAL_CLASS_HAS_NO_OWNER {
      @Override
      @CheckForNull
      Class<?> getOwnerType(Class<?> rawType) {
        if (rawType.isLocalClass()) {
          return null;
        } else {
          return rawType.getEnclosingClass();
        }
      }
    };

    @CheckForNull

  private static Class<? extends Annotation> asAnnotation(Class<?> clazz) {
    if (clazz.isAnnotation()) {
      return (Class<? extends Annotation>) clazz;
    } else {
      throw new IllegalArgumentException(rootLocaleFormat("%s is not an annotation.", clazz));
    }
  }

  public void testFeatureEnums() throws Exception {
    assertGoodFeatureEnum(CollectionFeature.class);

        .addEqualityGroup(newDelegatingList(LIST2))
        .addEqualityGroup(
            newProxyWithEqualsForInterfaces(List.class, Runnable.class),
            newProxyWithEqualsForInterfaces(List.class, Runnable.class))
        .addEqualityGroup(newProxyWithEqualsForInterfaces(Runnable.class, List.class))
        .addEqualityGroup(
            newDelegatingListWithEquals(LIST1),
            newDelegatingListWithEquals(LIST1),

    List<Integer> base = createList(Integer.class, 1, 2, 2);
    List<Integer> copy = createList(Integer.class, 1, 2, 2);
    List<Integer> outOfOrder = createList(Integer.class, 2, 2, 1);
    List<Integer> diffValue = createList(Integer.class, 1, 2, 4);
    List<Integer> diffLength = createList(Integer.class, 1, 2);
    List<Integer> empty = createList(Integer.class);

  public void testToStringHelperLenient_localInnerClass() {
    class LocalInnerClass {}
    String toTest = MoreObjects.toStringHelper(new LocalInnerClass()).toString();
    assertTrue(toTest, toTest.matches(".*\\{\\}"));
  }

  @GwtIncompatible // Class names are obfuscated in GWT
  public void testToStringHelper_localInnerNestedClass() {
    class LocalInnerClass {
      class LocalInnerNestedClass {}
    }
    String toTest =

    assertEquals(0, Defaults.defaultValue(long.class).longValue());
    assertEquals(0.0f, Defaults.defaultValue(float.class).floatValue());
    assertEquals(0.0d, Defaults.defaultValue(double.class).doubleValue());
    assertNull(Defaults.defaultValue(void.class));
    assertNull(Defaults.defaultValue(String.class));
  }

 * @since 2.0
 */
@GwtCompatible(emulated = true)
@J2ktIncompatible
@ElementTypesAreNonnullByDefault
public final class EnumBiMap<K extends Enum<K>, V extends Enum<V>> extends AbstractBiMap<K, V> {
  /*
   * J2CL's EnumMap does not need the Class instance, so we can use Object.class instead. (Or we
   * could use null, but that messes with our nullness checking, including under J2KT. We could

@AndroidIncompatible // custom classloading

public class AbstractFutureCancellationCauseTest extends TestCase {

  private ClassLoader oldClassLoader;
  private URLClassLoader classReloader;
  private Class<?> settableFutureClass;
  private Class<?> abstractFutureClass;

  @Override
  protected void setUp() throws Exception {

    assertThrows(IOException.class, () -> reader.read(new char[10], 0, 10));

    assertThrows(IOException.class, () -> reader.read(CharBuffer.allocate(10)));

    assertThrows(IOException.class, () -> reader.skip(10));

    assertThrows(IOException.class, () -> reader.ready());

    assertThrows(IOException.class, () -> reader.mark(10));

    assertThrows(IOException.class, () -> reader.reset());
  }

  /**